2-(carbomethoxy)-2-(4',4'-dimethyl-5'-hexynyl)-6-isopropyl-4,5,7-trimethoxy-1-indanone

2-(4,4-dimethylhex-5-yn-1-yl)-6-isopropyl-4,5,7-trimethoxy-2,3-dihydro-1H-inden-1-one